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| Number | Title | Issue Date |
| 7445124 | Filter A filter, in particular for the separation of leucocytes from further blood components, has an outer sheath, at least one intermediate layer which is a component of a frame or which forms a frame, an inlet chamber which is in communication with an inlet for the medi... | 11/04/2008 |
| 7438812 | Filter element and method of making A filter element (10) is provided which can be used to remove microsize contaminant particles (i.e., about 0.5 μm to about 25.0 μm) from aviation fuel. The filter element (10) includes a cylindrical pleated filter media (14) and an exoskeleton... | 10/21/2008 |
| 7407058 | Filter element for filtering fluids A filter element for filtering fluids has at least one filter unit (12, 14, 16) that is disposed concentrically around the axis of the element. The unit is supported on at least one supporting element (24, 26, 30) in the direction of the flow of the fl... | 08/05/2008 |
| 7338607 | Filter canister, system containing filter canister, and their use A filter canister including a frame; a sheet of flexible fabric material that allows the flow of water therethrough, the sheet of flexible fabric material being connected to the frame in a manner defining an internal zone whereby substantially all fluid entering the... | 03/04/2008 |
| 7329250 | Method and apparatus for converting supplies and reducing waste A method and apparatus for technique and cycling (Techni-cycling as herein defined) such that converting delivery supply containers (supplies) into waste and disposal receptacles is disclosed. More particularly, a container transformation comprising deriving a suppl... | 02/12/2008 |
| 7314553 | Pool filter cleaning device A pool filter cleaning device comprising a containment chamber having a upper end, a lower end, and a circumferential sidewall. The sidewall has a water deflecting portion adjacent the upper end and the containment chamber is adapted to receive a dirty pool filter. ... | 01/01/2008 |
| 7303083 | Easy moulding filter element support tube A filter element support tube has a pair of axially extending spines and first and second sets of oppositely laterally extending half-rings axially offset from each other. The support tube is efficiently manufacturable, and desirably provides a constant diameter alo... | 12/04/2007 |
| 7241382 | Method and system for filtering sediment-bearing fluids A self-cleaning, back-washable filter apparatus and method for use with a pumping apparatus which is at least partially immersed in fluid. The filter apparatus may comprise a vibration device that is powered by a flow of fluid. A method for filtering a flow of fluid... | 07/10/2007 |
| 7241422 | Housing for receptable filling A method and apparatus for capturing a sample of flowable material from a closed system inside a receptacle without exposing the sample to the ambient environment. The apparatus includes a housing having an opening at one end for receiving a receptacle and stopper. ... | 07/10/2007 |
| 7223340 | Hollow fibre restraining system A restraining system for hollow fibers is provided. The restraining system includes a plurality of longitudinally extending elements spaced from one another and supported by a number of discrete spacer elements, each spacer element extending generally transverse of ... | 05/29/2007 |
| 7210584 | Filter device, in particular for high-pressure applications in a molten polymer filtration A filter device, in particular, for high-pressure applications in a molten polymer filtration, has a screw-in piece (10), provided with a first threaded section (12) for fixing the filter device, and a second threaded section (14) for fixing a f... | 05/01/2007 |
| 7160454 | Membrane filter for water treatment The invention relates to a membrane filter for water treatment, comprising a head piece including a permeate collecting chamber with a permeate outlet, and at least one fiber bundle made from capillary membranes, which are secured into the head piece with an end tha... | 01/09/2007 |
| 7153294 | Surgical vacuum canister A vacuum canister for use in surgical or other applications. The vacuum canister of the invention includes a shell that defines an interior volume. An integral handle is provided to assist in manipulating the vacuum canister. The shell has an open top, a bottom surf... | 12/26/2006 |
| 7152751 | Lightweight shipping container A shipping container following the teachings of the present invention is made by an insert molding process. The walls and bottom are each formed with structural portions that form a frame and any necessary cross bracing. A fabric covers any opening between structura... | 12/26/2006 |
| 7141198 | Method for the manufacture of a composite filter plate A method is disclosed for making a substantially flat filter plate comprising a substantially flat thermoplastic polymer frame and substantially flat filter material seated fixedly therein. The method is characterized by its reduced exposure of the filter material t... | 11/28/2006 |
| 7094338 | Method of making and using a filter in the form of a block of agglomerated copolymer fragments One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter system beneath the grate of a storm drain without the need for the fil... | 08/22/2006 |
| 7094344 | Filter device The present invention relates to a filter device for removing impurities contained in liquid. A filter housing 18 is provided with a container for accommodating a filter bag 2 therein, a deposit recovery tank 3 for recovering a deposit and a flo... | 08/22/2006 |
| 7063791 | Pump inlet screen A pump inlet screen for a submersible pump adapted to be inserted into a well bore. The screen includes an inner support sleeve having openings therethrough and an outer mesh screen member that overlies the out surface of the inner support sleeve. A polymer coated r... | 06/20/2006 |
| 7036263 | Snag-free and stress-free fish catcher A snag-free and stress-free fish catcher includes a supporting frame, a fish pocket, having a fish cavity, supported by the supporting frame, and a tension resting bed, having a tension surface, supported within the fish cavity, wherein the tension surface of the te... | 05/02/2006 |
| 6986842 | Filter element with foam girdle to secure pleats and method of forming same A fluid filter element (10) comprises a pleated filter media (34) having spaced apart pleats (40) and an external filter media surface (38) comprising the external peaks of the pleats (40) and a flexible foam filter media sleeve ( | 01/17/2006 |
| 6978900 | Braided strainer for a draw line A braided strainer for a draw line, and method of forming same. The strainer comprises a frame in the form of a pair of spaced planar plates, one being a solid end plate and the other having a control aperture. A plurality of spaced, parallel rods of similar length ... | 12/27/2005 |
| 6962258 | Hollow fiber restraining system A restraining system for hollow fibers is provided. The restraining system includes a plurality of longitudinally extending elements spaced from one another and supported by a number of discrete spacer elements, each spacer element extending generally transverse of ... | 11/08/2005 |
| 6929765 | Method of manufacturing a spacer of an electrically driven water purification apparatus An electrically driven membrane process apparatus is provided comprising a first spacer having a perimeter having a surface with an inner peripheral edge defining an opening, and a recess formed on the inner peripheral edge, and an ion exchange membrane having an ou... | 08/16/2005 |
| 6926062 | Screen element for motor vehicles; in particular, wind blocker A screen element for motor vehicles having a piece of flat material extending in a surface area. The piece of flat material has strands which are inherently stiff to enable the flat material to stand alone without a frame. The strands also provide primary stability ... | 08/09/2005 |
| 6915910 | Screen cylinder and method A pulp screen cylinder that includes screen media releasably engaged with a frame at spaced locations opposing movement of the media away from the frame during screening. A preferred frame includes a plurality of spaced engaging structures that releasably engage scr... | 07/12/2005 |
| 6843909 | Three-stage aquarium filtration A filter unit for filtering aquarium water includes a packet having porous filter walls configured for mechanical filtration of aquarium water, a filter medium within the packet, between the filter walls, configured for chemical filtration of the aquarium water, and... | 01/18/2005 |
| 6799686 | Tubular filtration apparatus An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then defo... | 10/05/2004 |
| 6797164 | Filtering system for a pool or spa A filtering system for a spa or pool that includes a closed filtering tank which houses a filter having a filter body which receives a filter bag having a sheath encompassing the exterior of the filter body and a pocket extending inwardly from the front end of the s... | 09/28/2004 |
| 6783008 | Hollow fibre restraining system A restraining system for hollow fibres is provided. The restraining system includes a plurality of longitudinally extending elements spaced from one another and supported by a number of discrete spacer elements, each spacer element extending generally transverse of ... | 08/31/2004 |
| 6722508 | Removable cartridge assembly for filtering bi-directional axial flow and radial flow and method of making same A one-piece filter cartridge is formed by inserting an open ended cylindrical screen and an end screen for the cylindrical screen in a mold and overmolding with engineered resinous material to form spaced annular and axial support ribs for the screen material. The c... | 04/20/2004 |
| 6685843 | Internal spa filter An internal spa filter for a spa, having a filter body with an inlet opening at its one end and a discharge orifice at its opposite end, the sides of such body are formed with auxiliary spa water inlet openings. The filter also includes a filter bag havin... | 02/03/2004 |
| 6651825 | Disposable net assemblies for apparatus for collecting floating debris A disposable net assembly is provided for a trap for collecting floatable debris in a waterway or combined sewer system. The net assembly includes a knitted bag-shaped mesh net having a frame surrounding the mouth of the net with the net secured around it... | 11/25/2003 |
| 6598749 | Spiral pleated filter cartridges A filter is disclosed that includes a cylindrical filter element having a longitudinal axis, an outer periphery, an inner periphery, and a plurality of longitudinal pleats arranged in a spiral configuration in close proximity to one another. Each of the p... | 07/29/2003 |
| 6579458 | Screening device A screening device includes a screening element connected to a reinforcing element by a frictionally engaging clamping connection. Spacers located between the screening element and the reinforcing element provide a radial clearance therebetween. The scree... | 06/17/2003 |
| 6562233 | Storm drain line with riser 2 A drain filtering system is disclosed, having a filter placed within a basket which is suspended from frame positioned underneath a drain grate atop the inlet to a storm drain. The filter is constructed from materials that filter out heavy metals, sedimen... | 05/13/2003 |
| 6554997 | Storm drain liner A drain filtering system is disclosed, comprising a filter placed within a basket which is suspended from frame positioned underneath a drain grate atop the inlet to a storm drain. The filter is constructed from materials which filter out heavy metals and... | 04/29/2003 |
| 6531059 | Suspended runoff water filter One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter system beneath the grate of a storm drain without the need ... | 03/11/2003 |
| 6511606 | Simple, economical and rapid method for determining the contaminate particle size in fluids being filtered A simple, economical acid rapid method for determining the contaminate particle size appearing in a fluid being filtered includes a filter housing that eliminates fluid bypass with a multi-layered laminated filter disposed therein.... | 01/28/2003 |
| 6482321 | Weighted suction filter for a fuel hose A suction head is provided for the end of a fuel hose in a fuel tank of a portable implement. The suction head comprises a cup-shaped housing of polymeric material that is closed off by a cap. Provided on the cap is a connector for the end of the fuel hos... | 11/19/2002 |
| 6478959 | Self-fixturing filter A filter (110) is provided with a fixture (70) having a first set of axially extending inner pillars (72, 74, 76, 78) defining a first cylinder (80) along inner bend lines (34) of inner pleat tips (32) of an annular pleated filter element (22), a second s... | 11/12/2002 |
